Efferent arteriole Glomerulus Afferent arteriole KEY S E

Last updated: 2/3/2023

Efferent arteriole Glomerulus Afferent arteriole KEY S E Bowman s capsule Peritubular capillaries Proximal tubule Filtration blood to lumen Reabsorption lumen to blood Secretion blood to lumen Excretion lumen to external environment Loop of Henle Distal tubule Collecting duct To To bladder and external environment renal vein Application The diagram above shows the peritubular capillaries wrapping around the kidney tubule The exchange of many substances like water occurs between the blood and the lumen of the tubule lumen just means the inside of the tube Use the concept of osmosis to explain what effect eating salty foods would have on blood pressure Hint Think about which direction water would move in if the blood were salty into the tubule from the blood or out of the tubule into the blood and how this would affect blood volume Then think about how blood volume would affect blood pressure